Watertown, Illinois Weather
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Weather Forecast for Watertown, Illinois : Richland County
Issued: 9:41 am CDT Jul 1, 2025 Latitude: 38.7217146 Longitude: -88.1200387 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Independence Day Saturday Sunday Monday
Sunny on Today Clear on Tonight Sunny on Wednesday Sunny on Thursday Sunny on Independence Day Mostly Sunny on Saturday 20% chance of thunderstorms on Sunday 20% chance of thunderstorms on Monday
High: 87°F Low: 66°F High: 88°F High: 90°F High: 91°F High: 92°F High: 92°F High: 90°F
Low: 68°F Low: 70°F Low: 71°F Low: 74°F Low: 74°F  
Sunny Clear Sunny Sunny Sunny Mostly Sunny Thunderstorms Thunderstorms
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Current Conditions at
OLNEY-NOBLE AIRPORT - (KOLY)
81°
Clear
as of 10:10 AM CDST
Rel. Humidity: 69%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
FLORA MUNICIPAL AIRPORT - (KFOA)
81°
Clear
as of 10:15 AM CDST
Rel. Humidity: 74%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
6 MPH
350° North
Cloud Level(s): Clear
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
81°
Clear
as of 10:15 AM CDST
Rel. Humidity: 69%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
7 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
EFFINGHAM COUNTY MEMORIAL - (K1H2)
81°
Clear
as of 10:15 AM CDST
Rel. Humidity: 74%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
10 MPH
290° West
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 87. North northwest wind 7 to 9 mph.
Clear on Tonight Tonight... Clear, with a low around 66. North northwest wind around 6 mph becoming calm in the evening.
Sunny on Wednesday Wednesday... Sunny, with a high near 88. Calm wind becoming west northwest around 6 mph in the afternoon.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 68. Light west northwest wind.
Sunny on Thursday Thursday... Sunny, with a high near 90. Calm wind becoming west southwest around 5 mph in the afternoon.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 70. Calm wind.
Sunny on Independence Day Independence Day... Sunny, with a high near 91. Calm wind becoming south 5 to 7 mph in the afternoon.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 71.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 92.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 74.
20% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms. Mostly sunny, with a high near 92.
20% chance of rain Sunday Night Sunday Night... A chance of showers. Partly cloudy, with a low around 74.
20% chance of thunderstorms Monday Monday... A chance of showers and thunderstorms. Partly sunny, with a high near 90.
Current Radar Image


Sun Almanac for Watertown, Illinois
Sunrise: 05:32 AM
Sunset: 8:21 PM
Civil Sunrise:05:00 AM
Civil Sunset: 8:53 PM
Nautical Sunrise: 04:20 AM
Nautical Sunset: 9:33 PM
Astro Sunrise: 03:35 AM
Astro Sunset: 10:18 PM
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